Python Block.sectorize方法代码示例

# 需要导入模块: from block import Block [as 别名]
# 或者: from block.Block import sectorize [as 别名]

#.........这里部分代码省略.........
                if self.strafe[1]:
                    # Moving left or right.
                    dy = 0.0
                    m = 1
                if self.strafe[0] > 0:
                    # Moving backwards.
                    dy *= -1
                # When you are flying up or down, you have less left and right
                # motion.
                dx = math.cos(x_angle) * m
                dz = math.sin(x_angle) * m
            else:
                dy = 0.0
                dx = math.cos(x_angle)
                dz = math.sin(x_angle)
        else:
            dy = 0.0
            dx = 0.0
            dz = 0.0
        return (dx, dy, dz)

    def update(self, dt):
        """ This method is scheduled to be called repeatedly by the pyglet
        clock.

        Parameters
        ----------
        dt : float
            The change in time since the last call.

        """
        self.world.process_queue()
        x, y, z = self.position
        sector = self.blocks.sectorize(self.position)
        if sector != self.sector:
            self.world.change_sectors(self.sector, sector)
            if self.sector is None:
                self.world.process_entire_queue()
            self.sector = sector
        m = 8
        dt = min(dt, 0.2)
        for _ in xrange(m):
            self._update(dt / m)

    def _update(self, dt):
        """ Private implementation of the `update()` method. This is where most
        of the motion logic lives, along with gravity and collision detection.

        Parameters
        ----------
        dt : float
            The change in time since the last call.

        """
        # walking
        speed = self.FLYING_SPEED if self.flying else self.WALKING_SPEED
        d = dt * speed # distance covered this tick.
        dx, dy, dz = self.get_motion_vector()
        # New position in space, before accounting for gravity.
        dx, dy, dz = dx * d, dy * d, dz * d
        # gravity
        if not self.flying:
            # Update your vertical speed: if you are falling, speed up until you
            # hit terminal velocity; if you are jumping, slow down until you
            # start falling.
            self.dy -= dt * self.GRAVITY

# 需要导入模块: from block import Block [as 别名]
# 或者: from block.Block import sectorize [as 别名]
class World(object):

    TICKS_PER_SEC = 60

    def __init__(self):

        #self.TICKS_PER_SEC = TICKS_PER_SEC

        # A Batch is a collection of vertex lists for batched rendering.
        self.batch = pyglet.graphics.Batch()

        # A TextureGroup manages an OpenGL texture.
        self.group = Textures._texture_group

        # Block useful methods
        self.block = Block()

        # A mapping from position to the texture of the block at that position.
        # This defines all the blocks that are currently in the world.
        self.world = dict()

        # Same mapping as `world` but only contains blocks that are shown.
        self.shown = dict()

        # Mapping from position to a pyglet `VertextList` for all shown blocks.
        self._shown = dict()

        # Mapping from sector to a list of positions inside that sector.
        self.sectors = dict()

        # Simple function queue implementation. The queue is populated with
        # _show_block() and _hide_block() calls
        self.queue = deque()

        self._initialize()

    def _initialize(self):
        """ Initialize the world by placing all the blocks.
        """
        BaseWorld(n=50, add_block=self.add_block)

    def hit_test(self, position, vector, max_distance=8):
        """ Line of sight search from current position. If a block is
        intersected it is returned, along with the block previously in the line
        of sight. If no block is found, return None, None.

        Parameters
        ----------
        position : tuple of len 3
            The (x, y, z) position to check visibility from.
        vector : tuple of len 3
            The line of sight vector.
        max_distance : int
            How many blocks away to search for a hit.

        """
        m = 8
        x, y, z = position
        dx, dy, dz = vector
        previous = None
        for _ in xrange(max_distance * m):
            key = self.block.normalize((x, y, z))
            if key != previous and key in self.world:
                return key, previous
            previous = key
            x, y, z = x + dx / m, y + dy / m, z + dz / m
        return None, None

    def exposed(self, position):
        """ Returns False is given `position` is surrounded on all 6 sides by
        blocks, True otherwise.

        """
        x, y, z = position
        for dx, dy, dz in self.block.FACES:
            if (x + dx, y + dy, z + dz) not in self.world:
                return True
        return False

    def add_block(self, position, texture, immediate=True):
        """ Add a block with the given `texture` and `position` to the world.

        Parameters
        ----------
        position : tuple of len 3
            The (x, y, z) position of the block to add.
        texture : list of len 3
            The coordinates of the texture squares. Use `tex_coords()` to
            generate.
        immediate : bool
            Whether or not to draw the block immediately.

        """
        if position in self.world:
            self.remove_block(position, immediate)
        self.world[position] = texture
        self.sectors.setdefault(self.block.sectorize(position), []).append(position)
        if immediate:
            if self.exposed(position):
                self.show_block(position)
#.........这里部分代码省略.........